*{
    margin: 0;
    padding: 0;
}
ul{
    overflow: hidden;
    line-height: 50px;
}
li{
    list-style: none;
    float: left;
    width: 60px;
    text-align: center;
    margin-left: 10px;
}
.nav a{
    text-decoration: none;
    color: #414141;
    font-size: 14px;
}
.main{
    position: relative;
    height: 550px;
}
.center{
    position: absolute;
    left: 50%;
    top: 50%;;
    margin-top: -150px;
    margin-left: -300px;
}
.logo img{
    width: 200px;
    margin-bottom: 20px;
}
.logo{text-align: center;}
.search{
    float: left;
}
.search input:focus{
    border: 3px solid #4e64f2;
}
.search input{
    width: 500px;
    padding: 12px 48px 12px 16px;
    border-radius: 10px 0px 0px 10px;
    border: 3px solid #a79f9f;
    outline: none;
}
.camera{
    float: left;
}
.camera img{
    margin-top: 7px;
    margin-left: -32px;
}
.btn{
    float: left;
    
}
.btn button{
    width: 100px;
    height: 45px;
    margin-left: -2px;
    font-size: large;
    color: #ffffff;
    background-color: #4e64f2;
    border-radius: 0px 10px 10px 0px;
    border: 3px solid #4e64f2;
}